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<a name="1" href="#1">1</a>   <em>/**<em>*</em></em>
<a name="2" href="#2">2</a>   <em> * $Id: ReflectUtils.html 10 2008-10-01 10:56:15Z azeckoski $</em>
<a name="3" href="#3">3</a>   <em> * $URL: http://reflectutils.googlecode.com/svn/maven/site/xref/org/azeckoski/reflectutils/ReflectUtils.html $</em>
<a name="4" href="#4">4</a>   <em> * ReflectUtil.java - entity-broker - 24 Aug 2007 6:43:14 PM - azeckoski</em>
<a name="5" href="#5">5</a>   <em> **************************************************************************</em>
<a name="6" href="#6">6</a>   <em> * Copyright (c) 2008 Aaron Zeckoski</em>
<a name="7" href="#7">7</a>   <em> * Licensed under the Apache License, Version 2</em>
<a name="8" href="#8">8</a>   <em> * </em>
<a name="9" href="#9">9</a>   <em> * A copy of the Apache License, Version 2 has been included in this </em>
<a name="10" href="#10">10</a>  <em> * distribution and is available at: <a href="http://www.apache.org/licenses/LICENSE-2.0.txt" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0.txt</a></em>
<a name="11" href="#11">11</a>  <em> *</em>
<a name="12" href="#12">12</a>  <em> * Aaron Zeckoski (azeckoski@gmail.com) (aaronz@vt.edu) (aaron@caret.cam.ac.uk)</em>
<a name="13" href="#13">13</a>  <em> */</em>
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  <strong>package</strong> org.azeckoski.reflectutils;
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <strong>import</strong> java.lang.annotation.Annotation;
<a name="18" href="#18">18</a>  <strong>import</strong> java.lang.ref.SoftReference;
<a name="19" href="#19">19</a>  <strong>import</strong> java.security.MessageDigest;
<a name="20" href="#20">20</a>  <strong>import</strong> java.security.NoSuchAlgorithmException;
<a name="21" href="#21">21</a>  <strong>import</strong> java.util.Collection;
<a name="22" href="#22">22</a>  <strong>import</strong> java.util.List;
<a name="23" href="#23">23</a>  <strong>import</strong> java.util.Map;
<a name="24" href="#24">24</a>  
<a name="25" href="#25">25</a>  <strong>import</strong> org.azeckoski.reflectutils.ClassFields.FieldFindMode;
<a name="26" href="#26">26</a>  <strong>import</strong> org.azeckoski.reflectutils.ClassFields.FieldsFilter;
<a name="27" href="#27">27</a>  <strong>import</strong> org.azeckoski.reflectutils.beanutils.Resolver;
<a name="28" href="#28">28</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.api.Converter;
<a name="29" href="#29">29</a>  <strong>import</strong> org.azeckoski.reflectutils.exceptions.FieldnameNotFoundException;
<a name="30" href="#30">30</a>  
<a name="31" href="#31">31</a>  <em>/**<em>*</em></em>
<a name="32" href="#32">32</a>  <em> * Reflection utilities and utilities related to working with classes and their fields&lt;br/></em>
<a name="33" href="#33">33</a>  <em> * &lt;br/></em>
<a name="34" href="#34">34</a>  <em> * These are built to be compatible with &lt;a href="<a href="http://commons.apache.org/beanutils/" target="alexandria_uri">http://commons.apache.org/beanutils/</a>">Apache Commons BeanUtils&lt;/a></em>
<a name="35" href="#35">35</a>  <em> * and the nesting structure works the same, refer to the apache BeanUtils project docs for details&lt;br/></em>
<a name="36" href="#36">36</a>  <em> * &lt;br/></em>
<a name="37" href="#37">37</a>  <em> * Handles field operations for properties (getters and setters), partial properties (only getter or only setter), and fields.</em>
<a name="38" href="#38">38</a>  <em> * This improves upon the BeanUtils limitation of handling only properties or the Google utilities limitation of handling</em>
<a name="39" href="#39">39</a>  <em> * only fields.&lt;br/></em>
<a name="40" href="#40">40</a>  <em> * &lt;br/></em>
<a name="41" href="#41">41</a>  <em> * Getting and setting fields supports simple, nested, indexed, and mapped values&lt;br/></em>
<a name="42" href="#42">42</a>  <em> * &lt;b>Simple:&lt;/b> Get/set a field in a bean (or map), Example: "title", "id"&lt;br/></em>
<a name="43" href="#43">43</a>  <em> * &lt;b>Nested:&lt;/b> Get/set a field in a bean which is contained in another bean, Example: "someBean.title", "someBean.id"&lt;br/></em>
<a name="44" href="#44">44</a>  <em> * &lt;b>Indexed:&lt;/b> Get/set a list/array item by index in a bean, Example: "myList[1]", "anArray[2]"&lt;br/></em>
<a name="45" href="#45">45</a>  <em> * &lt;b>Mapped:&lt;/b> Get/set a map entry by key in a bean, Example: "myMap(key)", "someMap(thing)"&lt;br/></em>
<a name="46" href="#46">46</a>  <em> * &lt;br/></em>
<a name="47" href="#47">47</a>  <em> * Includes support for dealing with annotations and working with field which have annotations on them. Methods</em>
<a name="48" href="#48">48</a>  <em> * for finding fields with an annotation and finding all annotations in a class or on a fields are included.</em>
<a name="49" href="#49">49</a>  <em> * &lt;br/></em>
<a name="50" href="#50">50</a>  <em> * Includes support for deep cloning, deep copying, and populating objects using auto-conversion. Also</em>
<a name="51" href="#51">51</a>  <em> * includes support for fuzzy copies where object data can be copied from one object to another without</em>
<a name="52" href="#52">52</a>  <em> * the objects being the same type.&lt;br/></em>
<a name="53" href="#53">53</a>  <em> * &lt;br/></em>
<a name="54" href="#54">54</a>  <em> * Also includes an extendable conversion system for converting between java types. This system also handles</em>
<a name="55" href="#55">55</a>  <em> * conversions between arrays, maps, collections, and scalars and improves upon the apache system by</em>
<a name="56" href="#56">56</a>  <em> * handling more types and handling object holders.&lt;br/></em>
<a name="57" href="#57">57</a>  <em> * &lt;br/></em>
<a name="58" href="#58">58</a>  <em> * Support for construction of any class and a set of utilities for determining what types of objects</em>
<a name="59" href="#59">59</a>  <em> * you are working with are also included. A method for executing a specific constructor can be used if more control if needed.</em>
<a name="60" href="#60">60</a>  <em> * &lt;br/></em>
<a name="61" href="#61">61</a>  <em> * The utilities cache reflection data for high performance operation but uses weak/soft caching to avoid holding open</em>
<a name="62" href="#62">62</a>  <em> * ClassLoaders and causing the caches to exist in memory permanently. The ability to override the caching mechanism</em>
<a name="63" href="#63">63</a>  <em> * with your own is supported.&lt;br/></em>
<a name="64" href="#64">64</a>  <em> * &lt;br/></em>
<a name="65" href="#65">65</a>  <em> * The utilities are modular and are meant to be extendable and overridable. All methods are protected or public so</em>
<a name="66" href="#66">66</a>  <em> * that the various utility classes can be easily overridden if needed.</em>
<a name="67" href="#67">67</a>  <em> * </em>
<a name="68" href="#68">68</a>  <em> * @author Aaron Zeckoski (azeckoski@gmail.com)</em>
<a name="69" href="#69">69</a>  <em> */</em>
<a name="70" href="#70">70</a>  <strong>public</strong> <strong>class</strong> <a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a> {
<a name="71" href="#71">71</a>  
<a name="72" href="#72">72</a>      <em class="comment">// CONSTRUCTORS</em>
<a name="73" href="#73">73</a>  
<a name="74" href="#74">74</a>      <em>/**<em>*</em></em>
<a name="75" href="#75">75</a>  <em>     * default constructor - protected since it should not really be used</em>
<a name="76" href="#76">76</a>  <em>     */</em>
<a name="77" href="#77">77</a>      <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a>() {
<a name="78" href="#78">78</a>          <strong>this</strong>( <strong>null</strong>, <strong>null</strong>, <strong>null</strong>, <strong>null</strong> );
<a name="79" href="#79">79</a>      }
<a name="80" href="#80">80</a>  
<a name="81" href="#81">81</a>      <em>/**<em>*</em></em>
<a name="82" href="#82">82</a>  <em>     * Create a new copy of the reflection utilities so you can control various things like the field</em>
<a name="83" href="#83">83</a>  <em>     * finding mode and the caching&lt;br/></em>
<a name="84" href="#84">84</a>  <em>     * &lt;b>WARNING&lt;/b>: This is expensive and recreating it over and over is not a good idea,</em>
<a name="85" href="#85">85</a>  <em>     * you should use the static instance if you are not prepared to cache this object somewhere&lt;br/></em>
<a name="86" href="#86">86</a>  <em>     * Use {@link ReflectUtils#getInstance()} to avoid recreating this over and over</em>
<a name="87" href="#87">87</a>  <em>     * </em>
<a name="88" href="#88">88</a>  <em>     * @param fieldFindMode (optional) see {@link FieldFindMode} enum for details, null for default</em>
<a name="89" href="#89">89</a>  <em>     * @param reflectionCache (optional) a cache for holding class cache data (implements map), null to use the default internal cache</em>
<a name="90" href="#90">90</a>  <em>     * @param resolver (optional) the field path name resolver to use when resolving EL style paths, null for default</em>
<a name="91" href="#91">91</a>  <em>     * @param converters (optional) a map of converters to add to the default set, null to use the default set</em>
<a name="92" href="#92">92</a>  <em>     */</em>
<a name="93" href="#93">93</a>      @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="94" href="#94">94</a>      <strong>public</strong> <a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a>(FieldFindMode fieldFindMode, Map&lt;Class&lt;?>, ClassFields> reflectionCache, <a href="../../../org/azeckoski/reflectutils/beanutils/Resolver.html">Resolver</a> resolver, Map&lt;Class&lt;?>, Converter&lt;?>> converters) {
<a name="95" href="#95">95</a>          setFieldFindMode(fieldFindMode);
<a name="96" href="#96">96</a>          setReflectionCache(reflectionCache);
<a name="97" href="#97">97</a>          setResolver(resolver);
<a name="98" href="#98">98</a>          setConverters(converters);
<a name="99" href="#99">99</a>  
<a name="100" href="#100">100</a>         ReflectUtils.setInstance(<strong>this</strong>);
<a name="101" href="#101">101</a>     }
<a name="102" href="#102">102</a> 
<a name="103" href="#103">103</a>     <em class="comment">// setter passthroughs</em>
<a name="104" href="#104">104</a> 
<a name="105" href="#105">105</a>     <em>/**<em>*</em></em>
<a name="106" href="#106">106</a> <em>     * Set the mode used to find fields on classes (default {@link FieldFindMode#HYBRID}) &lt;br/></em>
<a name="107" href="#107">107</a> <em>     * &lt;b>WARNING&lt;/b>: changing modes will clear the existing cache</em>
<a name="108" href="#108">108</a> <em>     * </em>
<a name="109" href="#109">109</a> <em>     * @param fieldFindMode see {@link FieldFindMode} enum for details, null for default</em>
<a name="110" href="#110">110</a> <em>     * @see FieldFindMode</em>
<a name="111" href="#111">111</a> <em>     */</em>
<a name="112" href="#112">112</a>     <strong>public</strong> <strong>void</strong> setFieldFindMode(FieldFindMode fieldFindMode) {
<a name="113" href="#113">113</a>         getClassDataCacher().setFieldFindMode(fieldFindMode);
<a name="114" href="#114">114</a>     }
<a name="115" href="#115">115</a> 
<a name="116" href="#116">116</a>     <em>/**<em>*</em></em>
<a name="117" href="#117">117</a> <em>     * Set the cache to be used for holding the reflection data, </em>
<a name="118" href="#118">118</a> <em>     * this allows control over where the reflection caches are stored,</em>
<a name="119" href="#119">119</a> <em>     * this should store the data in a way that it will not hold open the classloader the class comes from &lt;br/></em>
<a name="120" href="#120">120</a> <em>     * Note that you can set this to a map implementation which does not store anything to disable caching if you like</em>
<a name="121" href="#121">121</a> <em>     * </em>
<a name="122" href="#122">122</a> <em>     * @param reflectionCache a cache for holding class cache data (implements map), null to use the default internal cache</em>
<a name="123" href="#123">123</a> <em>     */</em>
<a name="124" href="#124">124</a>     @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="125" href="#125">125</a>     <strong>public</strong> <strong>void</strong> setReflectionCache(Map&lt;Class&lt;?>, ClassFields> reflectionCache) {
<a name="126" href="#126">126</a>         getClassDataCacher().setReflectionCache(reflectionCache);
<a name="127" href="#127">127</a>     }
<a name="128" href="#128">128</a> 
<a name="129" href="#129">129</a>     <em>/**<em>*</em></em>
<a name="130" href="#130">130</a> <em>     * Set the field name path resolver to use</em>
<a name="131" href="#131">131</a> <em>     * @param resolver the field path name resolver to use when resolving EL style paths, null for default</em>
<a name="132" href="#132">132</a> <em>     * @see FieldUtils#setResolver(Resolver)</em>
<a name="133" href="#133">133</a> <em>     */</em>
<a name="134" href="#134">134</a>     <strong>public</strong> <strong>void</strong> setResolver(<a href="../../../org/azeckoski/reflectutils/beanutils/Resolver.html">Resolver</a> resolver) {
<a name="135" href="#135">135</a>         getFieldUtils().setResolver(resolver);
<a name="136" href="#136">136</a>     }
<a name="137" href="#137">137</a> 
<a name="138" href="#138">138</a>     <em>/**<em>*</em></em>
<a name="139" href="#139">139</a> <em>     * Set the object converters to add to the default converters</em>
<a name="140" href="#140">140</a> <em>     * @param converters a map of converters to add to the default set, null to just use the default set</em>
<a name="141" href="#141">141</a> <em>     */</em>
<a name="142" href="#142">142</a>     <strong>public</strong> <strong>void</strong> setConverters(Map&lt;Class&lt;?>, Converter&lt;?>> converters) {
<a name="143" href="#143">143</a>         getConversionUtils().setConverters(converters);
<a name="144" href="#144">144</a>     }
<a name="145" href="#145">145</a> 
<a name="146" href="#146">146</a>     <em>/**<em>*</em></em>
<a name="147" href="#147">147</a> <em>     * Add a converter to the default set which will convert objects to the supplied type</em>
<a name="148" href="#148">148</a> <em>     * @param type the type this converter will convert objects to</em>
<a name="149" href="#149">149</a> <em>     * @param converter the converter</em>
<a name="150" href="#150">150</a> <em>     */</em>
<a name="151" href="#151">151</a>     <strong>public</strong> <strong>void</strong> addConverter(Class&lt;?> type, Converter&lt;?> converter) {
<a name="152" href="#152">152</a>         getConversionUtils().addConverter(type, converter);
<a name="153" href="#153">153</a>     }
<a name="154" href="#154">154</a> 
<a name="155" href="#155">155</a>     <em>/**<em>*</em></em>
<a name="156" href="#156">156</a> <em>     * Set the option to include the "class" field when reflecting over objects,</em>
<a name="157" href="#157">157</a> <em>     * the default for this is false (do not include)</em>
<a name="158" href="#158">158</a> <em>     * @param includeClassField if true then include the value from the "getClass()" method as "class" when encoding beans and maps</em>
<a name="159" href="#159">159</a> <em>     */</em>
<a name="160" href="#160">160</a>     <strong>public</strong> <strong>void</strong> setIncludeClassField(<strong>boolean</strong> includeClassField) {
<a name="161" href="#161">161</a>         getClassDataCacher().setIncludeClassField(includeClassField);
<a name="162" href="#162">162</a>     }
<a name="163" href="#163">163</a> 
<a name="164" href="#164">164</a>     <em class="comment">/*<em class="comment"> </em></em>
<a name="165" href="#165">165</a> <em class="comment">     * Everything below is a pass-through to the methods in the other utilities classes</em>
<a name="166" href="#166">166</a> <em class="comment">     * (sometimes with a little extra tie together logic),</em>
<a name="167" href="#167">167</a> <em class="comment">     * reflect utils is just a convenient way to access the various methods and allows</em>
<a name="168" href="#168">168</a> <em class="comment">     * a developer to override any of the methods as they are all happy and public and non-final</em>
<a name="169" href="#169">169</a> <em class="comment">     */</em>
<a name="170" href="#170">170</a> 
<a name="171" href="#171">171</a>     <em>/**<em>*</em></em>
<a name="172" href="#172">172</a> <em>     * Analyze a class and produce an object which contains information about it and its fields</em>
<a name="173" href="#173">173</a> <em>     * @param &lt;T></em>
<a name="174" href="#174">174</a> <em>     * @param beanClass any object class</em>
<a name="175" href="#175">175</a> <em>     * @return the ClassFields analysis object which contains the information about this object class</em>
<a name="176" href="#176">176</a> <em>     * @throws IllegalArgumentException if class is null or primitive</em>
<a name="177" href="#177">177</a> <em>     */</em>
<a name="178" href="#178">178</a>     <strong>public</strong> &lt;T> ClassFields&lt;T> analyzeClass(Class&lt;T> beanClass) {
<a name="179" href="#179">179</a>         <strong>return</strong> getFieldUtils().analyzeClass(beanClass);
<a name="180" href="#180">180</a>     }
<a name="181" href="#181">181</a> 
<a name="182" href="#182">182</a>     <em>/**<em>*</em></em>
<a name="183" href="#183">183</a> <em>     * Construct an object for the class of the given type regardless of whether it has a default constructor,</em>
<a name="184" href="#184">184</a> <em>     * this will construct anything which has a valid class type including primitives,</em>
<a name="185" href="#185">185</a> <em>     * arrays, collections and even classes without default constructors,</em>
<a name="186" href="#186">186</a> <em>     * this will attempt to use the default constructor first if available though.</em>
<a name="187" href="#187">187</a> <em>     * It must be possible to construct the class without knowing something about it beforehand,</em>
<a name="188" href="#188">188</a> <em>     * (i.e. classes with only constructors which require non-null arguments will not be able</em>
<a name="189" href="#189">189</a> <em>     * to be constructed)</em>
<a name="190" href="#190">190</a> <em>     * </em>
<a name="191" href="#191">191</a> <em>     * @param &lt;T></em>
<a name="192" href="#192">192</a> <em>     * @param beanClass any object class</em>
<a name="193" href="#193">193</a> <em>     * @return the newly constructed object of the given class type </em>
<a name="194" href="#194">194</a> <em>     * (if primitive then a wrapped object will be returned which java will unwrap automatically)</em>
<a name="195" href="#195">195</a> <em>     */</em>
<a name="196" href="#196">196</a>     <strong>public</strong> &lt;T> T constructClass(Class&lt;T> beanClass) {
<a name="197" href="#197">197</a>         <strong>return</strong> getConstructorUtils().constructClass(beanClass);
<a name="198" href="#198">198</a>     }
<a name="199" href="#199">199</a> 
<a name="200" href="#200">200</a>     <em>/**<em>*</em></em>
<a name="201" href="#201">201</a> <em>     * Get the value of a field or property (getter method) from an object&lt;br/></em>
<a name="202" href="#202">202</a> <em>     * Getting fields supports simple, nested, indexed, and mapped values:&lt;br/></em>
<a name="203" href="#203">203</a> <em>     * &lt;b>Simple:&lt;/b> Get/set a field in a bean (or map), Example: "title", "id"&lt;br/></em>
<a name="204" href="#204">204</a> <em>     * &lt;b>Nested:&lt;/b> Get/set a field in a bean which is contained in another bean, Example: "someBean.title", "someBean.id"&lt;br/></em>
<a name="205" href="#205">205</a> <em>     * &lt;b>Indexed:&lt;/b> Get/set a list/array item by index in a bean, Example: "myList[1]", "anArray[2]"&lt;br/></em>
<a name="206" href="#206">206</a> <em>     * &lt;b>Mapped:&lt;/b> Get/set a map entry by key in a bean, Example: "myMap(key)", "someMap(thing)"&lt;br/></em>
<a name="207" href="#207">207</a> <em>     * </em>
<a name="208" href="#208">208</a> <em>     * @param object any object</em>
<a name="209" href="#209">209</a> <em>     * @param fieldName the name of the field (property) to get the value of or the getter method without the "get" and lowercase first char</em>
<a name="210" href="#210">210</a> <em>     * @throws FieldnameNotFoundException if this fieldName does not exist on the object</em>
<a name="211" href="#211">211</a> <em>     * @throws IllegalArgumentException if a failure occurs while getting the field value</em>
<a name="212" href="#212">212</a> <em>     */</em>
<a name="213" href="#213">213</a>     <strong>public</strong> Object getFieldValue(Object object, String fieldName) {
<a name="214" href="#214">214</a>         <strong>return</strong> getFieldUtils().getFieldValue(object, fieldName);
<a name="215" href="#215">215</a>     }
<a name="216" href="#216">216</a> 
<a name="217" href="#217">217</a>     <em>/**<em>*</em></em>
<a name="218" href="#218">218</a> <em>     * Get the value of a field or getter method from an object allowing an annotation to override&lt;br/></em>
<a name="219" href="#219">219</a> <em>     * Getting fields supports simple, nested, indexed, and mapped values:&lt;br/></em>
<a name="220" href="#220">220</a> <em>     * &lt;b>Simple:&lt;/b> Get/set a field in a bean (or map), Example: "title", "id"&lt;br/></em>
<a name="221" href="#221">221</a> <em>     * &lt;b>Nested:&lt;/b> Get/set a field in a bean which is contained in another bean, Example: "someBean.title", "someBean.id"&lt;br/></em>
<a name="222" href="#222">222</a> <em>     * &lt;b>Indexed:&lt;/b> Get/set a list/array item by index in a bean, Example: "myList[1]", "anArray[2]"&lt;br/></em>
<a name="223" href="#223">223</a> <em>     * &lt;b>Mapped:&lt;/b> Get/set a map entry by key in a bean, Example: "myMap(key)", "someMap(thing)"&lt;br/></em>
<a name="224" href="#224">224</a> <em>     * </em>
<a name="225" href="#225">225</a> <em>     * @param object any object</em>
<a name="226" href="#226">226</a> <em>     * @param fieldName the name of the field (property) to get the value of or the getter method without the "get" and lowercase first char</em>
<a name="227" href="#227">227</a> <em>     * @param annotationClass if the annotation class is set then we will attempt to get the value from the annotated field or getter method first</em>
<a name="228" href="#228">228</a> <em>     * @return the value of the field OR null if the value is null</em>
<a name="229" href="#229">229</a> <em>     * @throws FieldnameNotFoundException if this fieldName does not exist on the object and no annotation was found</em>
<a name="230" href="#230">230</a> <em>     * @throws IllegalArgumentException if a failure occurs while getting the field value</em>
<a name="231" href="#231">231</a> <em>     */</em>
<a name="232" href="#232">232</a>     <strong>public</strong> Object getFieldValue(Object object, String fieldName, Class&lt;? <strong>extends</strong> Annotation> annotationClass) {
<a name="233" href="#233">233</a>         Object value = <strong>null</strong>;
<a name="234" href="#234">234</a>         Class&lt;?> elementClass = object.getClass();
<a name="235" href="#235">235</a>         <strong>if</strong> (annotationClass != <strong>null</strong>) {
<a name="236" href="#236">236</a>             <em class="comment">// try to find annotation first</em>
<a name="237" href="#237">237</a>             String annotatedField = getFieldNameWithAnnotation(elementClass, annotationClass);
<a name="238" href="#238">238</a>             <strong>if</strong> (annotatedField != <strong>null</strong>) {
<a name="239" href="#239">239</a>                 fieldName = annotatedField;
<a name="240" href="#240">240</a>             }
<a name="241" href="#241">241</a>         }
<a name="242" href="#242">242</a>         value = getFieldValue(object, fieldName);
<a name="243" href="#243">243</a>         <strong>return</strong> value;
<a name="244" href="#244">244</a>     }
<a name="245" href="#245">245</a> 
<a name="246" href="#246">246</a>     <em>/**<em>*</em></em>
<a name="247" href="#247">247</a> <em>     * Get the string value of a field or getter method from an object allowing an annotation to override&lt;br/></em>
<a name="248" href="#248">248</a> <em>     * Getting fields supports simple, nested, indexed, and mapped values:&lt;br/></em>
<a name="249" href="#249">249</a> <em>     * &lt;b>Simple:&lt;/b> Get/set a field in a bean (or map), Example: "title", "id"&lt;br/></em>
<a name="250" href="#250">250</a> <em>     * &lt;b>Nested:&lt;/b> Get/set a field in a bean which is contained in another bean, Example: "someBean.title", "someBean.id"&lt;br/></em>
<a name="251" href="#251">251</a> <em>     * &lt;b>Indexed:&lt;/b> Get/set a list/array item by index in a bean, Example: "myList[1]", "anArray[2]"&lt;br/></em>
<a name="252" href="#252">252</a> <em>     * &lt;b>Mapped:&lt;/b> Get/set a map entry by key in a bean, Example: "myMap(key)", "someMap(thing)"&lt;br/></em>
<a name="253" href="#253">253</a> <em>     * </em>
<a name="254" href="#254">254</a> <em>     * @param object any object</em>
<a name="255" href="#255">255</a> <em>     * @param fieldName the name of the field (property) to get the value of or the getter method without the "get" and lowercase first char</em>
<a name="256" href="#256">256</a> <em>     * @param annotationClass if the annotation class is set then we will attempt to get the value from the annotated field or getter method first</em>
<a name="257" href="#257">257</a> <em>     * @return the string value of the field OR null if the value is null</em>
<a name="258" href="#258">258</a> <em>     * @throws FieldnameNotFoundException if this fieldName does not exist on the object and no annotation was found</em>
<a name="259" href="#259">259</a> <em>     * @throws IllegalArgumentException if a failure occurs while getting the field value</em>
<a name="260" href="#260">260</a> <em>     */</em>
<a name="261" href="#261">261</a>     <strong>public</strong> String getFieldValueAsString(Object object, String fieldName, Class&lt;? <strong>extends</strong> Annotation> annotationClass) {
<a name="262" href="#262">262</a>         String sValue = <strong>null</strong>;
<a name="263" href="#263">263</a>         Object value = getFieldValue(object, fieldName, annotationClass);
<a name="264" href="#264">264</a>         <strong>if</strong> (value != <strong>null</strong>) {
<a name="265" href="#265">265</a>             sValue = getConversionUtils().convert(value, String.<strong>class</strong>); <em class="comment">//value.toString();</em>
<a name="266" href="#266">266</a>         }
<a name="267" href="#267">267</a>         <strong>return</strong> sValue;
<a name="268" href="#268">268</a>     }
<a name="269" href="#269">269</a> 
<a name="270" href="#270">270</a>     <em>/**<em>*</em></em>
<a name="271" href="#271">271</a> <em>     * Set the value on the object field or setter method, will convert if needed&lt;br/></em>
<a name="272" href="#272">272</a> <em>     * Setting fields supports simple, nested, indexed, and mapped values:&lt;br/></em>
<a name="273" href="#273">273</a> <em>     * &lt;b>Simple:&lt;/b> Get/set a field in a bean (or map), Example: "title", "id"&lt;br/></em>
<a name="274" href="#274">274</a> <em>     * &lt;b>Nested:&lt;/b> Get/set a field in a bean which is contained in another bean, Example: "someBean.title", "someBean.id"&lt;br/></em>
<a name="275" href="#275">275</a> <em>     * &lt;b>Indexed:&lt;/b> Get/set a list/array item by index in a bean, Example: "myList[1]", "anArray[2]"&lt;br/></em>
<a name="276" href="#276">276</a> <em>     * &lt;b>Mapped:&lt;/b> Get/set a map entry by key in a bean, Example: "myMap(key)", "someMap(thing)"&lt;br/></em>
<a name="277" href="#277">277</a> <em>     * </em>
<a name="278" href="#278">278</a> <em>     * @param object any object</em>
<a name="279" href="#279">279</a> <em>     * @param fieldName the name of the field (property) to set the value of or the setter method without the "set" and lowercase first char</em>
<a name="280" href="#280">280</a> <em>     * @param value the value to set on this field, must match the type in the object (will not attempt to covert)</em>
<a name="281" href="#281">281</a> <em>     * @throws FieldnameNotFoundException if the fieldName could not be found in this object</em>
<a name="282" href="#282">282</a> <em>     * @throws UnsupportedOperationException if the value could not be converted to the field type</em>
<a name="283" href="#283">283</a> <em>     * @throws IllegalArgumentException if the params are null or other failures occur setting the value</em>
<a name="284" href="#284">284</a> <em>     */</em>
<a name="285" href="#285">285</a>     <strong>public</strong> <strong>void</strong> setFieldValue(Object object, String fieldName, Object value) {
<a name="286" href="#286">286</a>         getFieldUtils().setFieldValue(object, fieldName, value);
<a name="287" href="#287">287</a>     }
<a name="288" href="#288">288</a> 
<a name="289" href="#289">289</a>     <em>/**<em>*</em></em>
<a name="290" href="#290">290</a> <em>     * Sets a value on the field of an object and will attempt to convert the property if configured to do so&lt;br/></em>
<a name="291" href="#291">291</a> <em>     * Setting fields supports simple, nested, indexed, and mapped values:&lt;br/></em>
<a name="292" href="#292">292</a> <em>     * &lt;b>Simple:&lt;/b> Get/set a field in a bean (or map), Example: "title", "id"&lt;br/></em>
<a name="293" href="#293">293</a> <em>     * &lt;b>Nested:&lt;/b> Get/set a field in a bean which is contained in another bean, Example: "someBean.title", "someBean.id"&lt;br/></em>
<a name="294" href="#294">294</a> <em>     * &lt;b>Indexed:&lt;/b> Get/set a list/array item by index in a bean, Example: "myList[1]", "anArray[2]"&lt;br/></em>
<a name="295" href="#295">295</a> <em>     * &lt;b>Mapped:&lt;/b> Get/set a map entry by key in a bean, Example: "myMap(key)", "someMap(thing)"&lt;br/></em>
<a name="296" href="#296">296</a> <em>     * </em>
<a name="297" href="#297">297</a> <em>     * @param object any object</em>
<a name="298" href="#298">298</a> <em>     * @param fieldName the name of the field (property) to set the value of or the setter method without the "set" and lowercase first char</em>
<a name="299" href="#299">299</a> <em>     * @param value the value to set on this field, does not have to match the type in the object,</em>
<a name="300" href="#300">300</a> <em>     * the type will be determined and then we will attempt to convert this value to the type in the field</em>
<a name="301" href="#301">301</a> <em>     * @param autoConvert if true then automatically try to convert the value to the type of the field being set,</em>
<a name="302" href="#302">302</a> <em>     * otherwise only set the field if the value matches the type</em>
<a name="303" href="#303">303</a> <em>     * @throws FieldnameNotFoundException if the fieldName could not be found in this object</em>
<a name="304" href="#304">304</a> <em>     * @throws IllegalArgumentException if the value type does not match the field type or the type could not be converted to the field type</em>
<a name="305" href="#305">305</a> <em>     * @throws UnsupportedOperationException if the value could not be converted to the field type</em>
<a name="306" href="#306">306</a> <em>     */</em>
<a name="307" href="#307">307</a>     <strong>public</strong> <strong>void</strong> setFieldValue(Object object, String fieldName, Object value, <strong>boolean</strong> autoConvert) {
<a name="308" href="#308">308</a>         getFieldUtils().setFieldValue(object, fieldName, value, autoConvert);
<a name="309" href="#309">309</a>     }
<a name="310" href="#310">310</a> 
<a name="311" href="#311">311</a>     <em>/**<em>*</em></em>
<a name="312" href="#312">312</a> <em>     * Get the types of the fields of a specific class type,</em>
<a name="313" href="#313">313</a> <em>     * returns the method names without the "get"/"is" part and camelCased</em>
<a name="314" href="#314">314</a> <em>     * @param type any class</em>
<a name="315" href="#315">315</a> <em>     * @return a map of field name -> class type</em>
<a name="316" href="#316">316</a> <em>     */</em>
<a name="317" href="#317">317</a>     <strong>public</strong> Map&lt;String, Class&lt;?>> getFieldTypes(Class&lt;?> type) {
<a name="318" href="#318">318</a>         <strong>return</strong> getFieldTypes(type, <strong>null</strong>);
<a name="319" href="#319">319</a>     }
<a name="320" href="#320">320</a> 
<a name="321" href="#321">321</a>     <em>/**<em>*</em></em>
<a name="322" href="#322">322</a> <em>     * Get the types of the fields of a specific class type,</em>
<a name="323" href="#323">323</a> <em>     * returns the method names without the "get"/"is" part and camelCased</em>
<a name="324" href="#324">324</a> <em>     * @param type any class</em>
<a name="325" href="#325">325</a> <em>     * @param filter (optional) indicates the fields to return the types for, can be null for defaults</em>
<a name="326" href="#326">326</a> <em>     * @return a map of field name -> class type</em>
<a name="327" href="#327">327</a> <em>     */</em>
<a name="328" href="#328">328</a>     <strong>public</strong> Map&lt;String, Class&lt;?>> getFieldTypes(Class&lt;?> type, FieldsFilter filter) {
<a name="329" href="#329">329</a>         Map&lt;String, Class&lt;?>> types = getFieldUtils().getFieldTypes(type, filter);
<a name="330" href="#330">330</a>         <strong>return</strong> types;
<a name="331" href="#331">331</a>     }
<a name="332" href="#332">332</a> 
<a name="333" href="#333">333</a>     <em>/**<em>*</em></em>
<a name="334" href="#334">334</a> <em>     * Get the type of a field from a class</em>
<a name="335" href="#335">335</a> <em>     * @param type any class</em>
<a name="336" href="#336">336</a> <em>     * @param fieldName the name of the field (property) or a getter method converted to a field name</em>
<a name="337" href="#337">337</a> <em>     * @return the type of object stored in the field</em>
<a name="338" href="#338">338</a> <em>     * @throws FieldnameNotFoundException if the fieldName could not be found in this object</em>
<a name="339" href="#339">339</a> <em>     */</em>
<a name="340" href="#340">340</a>     <strong>public</strong> Class&lt;?> getFieldType(Class&lt;?> type, String fieldName) {
<a name="341" href="#341">341</a>         <strong>return</strong> getFieldUtils().getFieldType(type, fieldName);
<a name="342" href="#342">342</a>     }
<a name="343" href="#343">343</a> 
<a name="344" href="#344">344</a>     <em>/**<em>*</em></em>
<a name="345" href="#345">345</a> <em>     * Get a map of all fieldName -> value and all getterMethodName -> value without the word "get"</em>
<a name="346" href="#346">346</a> <em>     * where the method takes no arguments, in other words, all values available from an object (readable values)</em>
<a name="347" href="#347">347</a> <em>     * @param object any object</em>
<a name="348" href="#348">348</a> <em>     * @return a map of name -> value</em>
<a name="349" href="#349">349</a> <em>     * @throws IllegalArgumentException if failures occur</em>
<a name="350" href="#350">350</a> <em>     */</em>
<a name="351" href="#351">351</a>     <strong>public</strong> Map&lt;String, Object> getObjectValues(Object object) {
<a name="352" href="#352">352</a>         <strong>return</strong> getObjectValues(object, FieldsFilter.READABLE, false);
<a name="353" href="#353">353</a>     }
<a name="354" href="#354">354</a> 
<a name="355" href="#355">355</a>     <em>/**<em>*</em></em>
<a name="356" href="#356">356</a> <em>     * Get a map of all fieldName -> value and all getterMethodName -> value without the word "get"</em>
<a name="357" href="#357">357</a> <em>     * where the method takes no arguments, in other words, all values available from an object (readable values)</em>
<a name="358" href="#358">358</a> <em>     * @param object any object</em>
<a name="359" href="#359">359</a> <em>     * @param filter (optional) indicates the fields to return the values for, can be null for defaults</em>
<a name="360" href="#360">360</a> <em>     * @param includeClassField if true then the value from the "getClass()" method is returned as part of the </em>
<a name="361" href="#361">361</a> <em>     * set of object values with a type of {@link Class} and a field name of "class"</em>
<a name="362" href="#362">362</a> <em>     * @return a map of name -> value</em>
<a name="363" href="#363">363</a> <em>     * @throws IllegalArgumentException if failures occur</em>
<a name="364" href="#364">364</a> <em>     */</em>
<a name="365" href="#365">365</a>     <strong>public</strong> Map&lt;String, Object> getObjectValues(Object object, FieldsFilter filter, <strong>boolean</strong> includeClassField) {
<a name="366" href="#366">366</a>         <strong>return</strong> getFieldUtils().getFieldValues(object, filter, false);
<a name="367" href="#367">367</a>     }
<a name="368" href="#368">368</a> 
<a name="369" href="#369">369</a>     <em>/**<em>*</em></em>
<a name="370" href="#370">370</a> <em>     * Find the getter field on a class which has the given annotation</em>
<a name="371" href="#371">371</a> <em>     * @param elementClass any class</em>
<a name="372" href="#372">372</a> <em>     * @param annotationClass the annotation type which is expected to be on the field</em>
<a name="373" href="#373">373</a> <em>     * @return the name of the field or null if no fields are found with the indicated annotation</em>
<a name="374" href="#374">374</a> <em>     * @throws IllegalArgumentException if the annotation class is null</em>
<a name="375" href="#375">375</a> <em>     */</em>
<a name="376" href="#376">376</a>     <strong>public</strong> String getFieldNameWithAnnotation(Class&lt;?> elementClass, Class&lt;? <strong>extends</strong> Annotation> annotationClass) {
<a name="377" href="#377">377</a>         String fieldName = <strong>null</strong>;
<a name="378" href="#378">378</a>         <strong>if</strong> (annotationClass == <strong>null</strong>) {
<a name="379" href="#379">379</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"the annotationClass must not be null"</span>);
<a name="380" href="#380">380</a>         }
<a name="381" href="#381">381</a>         ClassFields&lt;?> cf = getFieldUtils().analyzeClass(elementClass);
<a name="382" href="#382">382</a>         fieldName = cf.getFieldNameByAnnotation(annotationClass);
<a name="383" href="#383">383</a>         <strong>return</strong> fieldName;
<a name="384" href="#384">384</a>     }
<a name="385" href="#385">385</a> 
<a name="386" href="#386">386</a>     <em>/**<em>*</em></em>
<a name="387" href="#387">387</a> <em>     * Deep clone an object and all the values in it into a brand new object of the same type,</em>
<a name="388" href="#388">388</a> <em>     * this will traverse the bean and will make new objects for all non-null values contained in the object</em>
<a name="389" href="#389">389</a> <em>     * </em>
<a name="390" href="#390">390</a> <em>     * @param &lt;T></em>
<a name="391" href="#391">391</a> <em>     * @param object any java object, this can be a list, map, array, or any simple</em>
<a name="392" href="#392">392</a> <em>     * object, it does not have to be a custom object or even a java bean,</em>
<a name="393" href="#393">393</a> <em>     * also works with DynaBeans</em>
<a name="394" href="#394">394</a> <em>     * @param maxDepth the number of objects to follow when traveling through the object and copying</em>
<a name="395" href="#395">395</a> <em>     * the values from it, 0 means to only copy the simple values in the object, any objects will</em>
<a name="396" href="#396">396</a> <em>     * be ignored and will end up as nulls, 1 means to follow the first objects found and copy all</em>
<a name="397" href="#397">397</a> <em>     * of their simple values as well, and so forth</em>
<a name="398" href="#398">398</a> <em>     * @param fieldNamesToSkip the names of fields to skip while cloning this object,</em>
<a name="399" href="#399">399</a> <em>     * this only has an effect on the bottom level of the object, any fields found</em>
<a name="400" href="#400">400</a> <em>     * on child objects will always be copied (if the maxDepth allows)</em>
<a name="401" href="#401">401</a> <em>     * @return the cloned object</em>
<a name="402" href="#402">402</a> <em>     */</em>
<a name="403" href="#403">403</a>     <strong>public</strong> &lt;T> T clone(T object, <strong>int</strong> maxDepth, String[] fieldNamesToSkip) {
<a name="404" href="#404">404</a>         <strong>return</strong> getDeepUtils().deepClone(object, maxDepth, fieldNamesToSkip);
<a name="405" href="#405">405</a>     }
<a name="406" href="#406">406</a> 
<a name="407" href="#407">407</a>     <em>/**<em>*</em></em>
<a name="408" href="#408">408</a> <em>     * Deep copies one object into another, this is primarily for copying between identical types of objects but</em>
<a name="409" href="#409">409</a> <em>     * it can also handle copying between objects which are quite different, </em>
<a name="410" href="#410">410</a> <em>     * this does not just do a reference copy of the values but actually creates new objects in the current classloader</em>
<a name="411" href="#411">411</a> <em>     * </em>
<a name="412" href="#412">412</a> <em>     * @param orig the original object to copy from</em>
<a name="413" href="#413">413</a> <em>     * @param dest the object to copy the values to (must have the same fields with the same types)</em>
<a name="414" href="#414">414</a> <em>     * @param maxDepth the number of objects to follow when traveling through the object and copying</em>
<a name="415" href="#415">415</a> <em>     * the values from it, 0 means to only copy the simple values in the object, any objects will</em>
<a name="416" href="#416">416</a> <em>     * be ignored and will end up as nulls, 1 means to follow the first objects found and copy all</em>
<a name="417" href="#417">417</a> <em>     * of their simple values as well, and so forth</em>
<a name="418" href="#418">418</a> <em>     * @param fieldNamesToSkip the names of fields to skip while cloning this object,</em>
<a name="419" href="#419">419</a> <em>     * this only has an effect on the bottom level of the object, any fields found</em>
<a name="420" href="#420">420</a> <em>     * on child objects will always be copied (if the maxDepth allows)</em>
<a name="421" href="#421">421</a> <em>     * @param ignoreNulls if true then nulls are not copied and the destination retains the value it has,</em>
<a name="422" href="#422">422</a> <em>     * if false then nulls are copied and the destination value will become a null if the original value is a null</em>
<a name="423" href="#423">423</a> <em>     * @throws IllegalArgumentException if the copy cannot be completed because the objects to copy do not have matching fields or types</em>
<a name="424" href="#424">424</a> <em>     */</em>
<a name="425" href="#425">425</a>     <strong>public</strong> <strong>void</strong> copy(Object orig, Object dest, <strong>int</strong> maxDepth, String[] fieldNamesToSkip, <strong>boolean</strong> ignoreNulls) {
<a name="426" href="#426">426</a>         getDeepUtils().deepCopy(orig, dest, maxDepth, fieldNamesToSkip, ignoreNulls);
<a name="427" href="#427">427</a>     }
<a name="428" href="#428">428</a> 
<a name="429" href="#429">429</a>     <em>/**<em>*</em></em>
<a name="430" href="#430">430</a> <em>     * This handles the cloning of objects to maps, it is recursive and is a deep operation which</em>
<a name="431" href="#431">431</a> <em>     * traverses the entire object and clones every part of it, when converting to a map this will ensure</em>
<a name="432" href="#432">432</a> <em>     * that there are no objects which are not part of java.lang or java.util in the new map&lt;br/></em>
<a name="433" href="#433">433</a> <em>     * NOTE: This can handle simple objects (non-maps and non-beans) but will have to make up the initial map key</em>
<a name="434" href="#434">434</a> <em>     * in the returned map, "data" will be used as the key&lt;br/></em>
<a name="435" href="#435">435</a> <em>     * NOTE: Nulls are allowed to pass through this method (i.e. passing in a null object results in a null output)</em>
<a name="436" href="#436">436</a> <em>     * </em>
<a name="437" href="#437">437</a> <em>     * @param bean any java object</em>
<a name="438" href="#438">438</a> <em>     * @param maxDepth the number of objects to follow when traveling through the object and copying</em>
<a name="439" href="#439">439</a> <em>     * the values from it, 0 means to only copy the simple values in the object, any objects will</em>
<a name="440" href="#440">440</a> <em>     * be ignored and will end up as nulls, 1 means to follow the first objects found and copy all</em>
<a name="441" href="#441">441</a> <em>     * of their simple values as well, and so forth</em>
<a name="442" href="#442">442</a> <em>     * @param fieldNamesToSkip the names of fields to skip while cloning this object,</em>
<a name="443" href="#443">443</a> <em>     * this only has an effect on the bottom level of the object, any fields found</em>
<a name="444" href="#444">444</a> <em>     * on child objects will always be copied (if the maxDepth allows)</em>
<a name="445" href="#445">445</a> <em>     * @param ignoreNulls if true then nulls are not copied and the destination retains the value it has,</em>
<a name="446" href="#446">446</a> <em>     * if false then nulls are copied and the destination value will become a null if the original value is a null</em>
<a name="447" href="#447">447</a> <em>     * @param ignoreTransient if true then all transient fields will be skipped, useful when serializing</em>
<a name="448" href="#448">448</a> <em>     * @param initialKey (optional) the initial key to use when converting simpler objects to maps</em>
<a name="449" href="#449">449</a> <em>     * @return the resulting map which contains the cloned data from the object</em>
<a name="450" href="#450">450</a> <em>     */</em>
<a name="451" href="#451">451</a>     <strong>public</strong> Map&lt;String, Object> map(Object object, <strong>int</strong> maxDepth, String[] fieldNamesToSkip, <strong>boolean</strong> ignoreNulls, <strong>boolean</strong> ignoreTransient, String initialKey) {
<a name="452" href="#452">452</a>         <strong>return</strong> getDeepUtils().deepMap(object, maxDepth, fieldNamesToSkip, ignoreNulls, ignoreTransient, initialKey);
<a name="453" href="#453">453</a>     }
<a name="454" href="#454">454</a> 
<a name="455" href="#455">455</a>     <em>/**<em>*</em></em>
<a name="456" href="#456">456</a> <em>     * Populates an object with the values in the properties map,</em>
<a name="457" href="#457">457</a> <em>     * this will not fail if the fieldName in the map is not a property on the</em>
<a name="458" href="#458">458</a> <em>     * object or the fieldName cannot be written to with the value in the object.</em>
<a name="459" href="#459">459</a> <em>     * This will attempt to convert the provided object values into the right values</em>
<a name="460" href="#460">460</a> <em>     * to place in the object&lt;br/></em>
<a name="461" href="#461">461</a> <em>     * &lt;b>NOTE:&lt;/b> simple types like numbers and strings can almost always be converted from</em>
<a name="462" href="#462">462</a> <em>     * just about anything though they will probably end up as 0 or ""&lt;br/></em>
<a name="463" href="#463">463</a> <em>     * Setting fields supports simple, nested, indexed, and mapped values:&lt;br/></em>
<a name="464" href="#464">464</a> <em>     * &lt;b>Simple:&lt;/b> Get/set a field in a bean (or map), Example: "title", "id"&lt;br/></em>
<a name="465" href="#465">465</a> <em>     * &lt;b>Nested:&lt;/b> Get/set a field in a bean which is contained in another bean, Example: "someBean.title", "someBean.id"&lt;br/></em>
<a name="466" href="#466">466</a> <em>     * &lt;b>Indexed:&lt;/b> Get/set a list/array item by index in a bean, Example: "myList[1]", "anArray[2]"&lt;br/></em>
<a name="467" href="#467">467</a> <em>     * &lt;b>Mapped:&lt;/b> Get/set a map entry by key in a bean, Example: "myMap(key)", "someMap(thing)"&lt;br/></em>
<a name="468" href="#468">468</a> <em>     * </em>
<a name="469" href="#469">469</a> <em>     * @param object any object</em>
<a name="470" href="#470">470</a> <em>     * @param properties a map of fieldNames -> Object</em>
<a name="471" href="#471">471</a> <em>     * @return the list of fieldNames which were successfully written to the object</em>
<a name="472" href="#472">472</a> <em>     * @throws IllegalArgumentException if the arguments are invalid</em>
<a name="473" href="#473">473</a> <em>     */</em>
<a name="474" href="#474">474</a>     <strong>public</strong> List&lt;String> populate(Object object, Map&lt;String, Object> properties) {
<a name="475" href="#475">475</a>         <strong>return</strong> getDeepUtils().populate(object, properties);
<a name="476" href="#476">476</a>     }
<a name="477" href="#477">477</a> 
<a name="478" href="#478">478</a>     <em>/**<em>*</em></em>
<a name="479" href="#479">479</a> <em>     * Populates an object with the String array values in the params map,</em>
<a name="480" href="#480">480</a> <em>     * this will not fail if the fieldName in the map is not a property on the</em>
<a name="481" href="#481">481</a> <em>     * object or the fieldName cannot be written to with the value in the object&lt;br/></em>
<a name="482" href="#482">482</a> <em>     * Arrays which are length 1 will be converted to a string before they are set on the target field &lt;br/></em>
<a name="483" href="#483">483</a> <em>     * Setting fields supports simple, nested, indexed, and mapped values:&lt;br/></em>
<a name="484" href="#484">484</a> <em>     * &lt;b>Simple:&lt;/b> Get/set a field in a bean (or map), Example: "title", "id"&lt;br/></em>
<a name="485" href="#485">485</a> <em>     * &lt;b>Nested:&lt;/b> Get/set a field in a bean which is contained in another bean, Example: "someBean.title", "someBean.id"&lt;br/></em>
<a name="486" href="#486">486</a> <em>     * &lt;b>Indexed:&lt;/b> Get/set a list/array item by index in a bean, Example: "myList[1]", "anArray[2]"&lt;br/></em>
<a name="487" href="#487">487</a> <em>     * &lt;b>Mapped:&lt;/b> Get/set a map entry by key in a bean, Example: "myMap(key)", "someMap(thing)"&lt;br/></em>
<a name="488" href="#488">488</a> <em>     * </em>
<a name="489" href="#489">489</a> <em>     * @param object any object</em>
<a name="490" href="#490">490</a> <em>     * @param params a map of fieldNames -> String[] (normally from an http request)</em>
<a name="491" href="#491">491</a> <em>     * @return the list of fieldNames which were successfully written to the object</em>
<a name="492" href="#492">492</a> <em>     * @throws IllegalArgumentException if the arguments are invalid</em>
<a name="493" href="#493">493</a> <em>     */</em>
<a name="494" href="#494">494</a>     <strong>public</strong> List&lt;String> populateFromParams(Object object, Map&lt;String, String[]> params) {
<a name="495" href="#495">495</a>         <strong>return</strong> getDeepUtils().populateFromParams(object, params);
<a name="496" href="#496">496</a>     }
<a name="497" href="#497">497</a> 
<a name="498" href="#498">498</a>     <em>/**<em>*</em></em>
<a name="499" href="#499">499</a> <em>     * Converts an object to any other object if possible</em>
<a name="500" href="#500">500</a> <em>     * @see ConversionUtils#convert(Object, Class)</em>
<a name="501" href="#501">501</a> <em>     * </em>
<a name="502" href="#502">502</a> <em>     * @param &lt;T></em>
<a name="503" href="#503">503</a> <em>     * @param object any object</em>
<a name="504" href="#504">504</a> <em>     * @param type any class type that you want to try to convert the object to</em>
<a name="505" href="#505">505</a> <em>     * @return the converted value (allows null to pass through except in the case of primitives which become the primitive default)</em>
<a name="506" href="#506">506</a> <em>     * @throws UnsupportedOperationException if the conversion cannot be completed</em>
<a name="507" href="#507">507</a> <em>     */</em>
<a name="508" href="#508">508</a>     <strong>public</strong> &lt;T> T convert(Object object, Class&lt;T> type) {
<a name="509" href="#509">509</a>         T convert = getConversionUtils().convert(object, type);
<a name="510" href="#510">510</a>         <strong>return</strong> convert;
<a name="511" href="#511">511</a>     }
<a name="512" href="#512">512</a> 
<a name="513" href="#513">513</a> 
<a name="514" href="#514">514</a>     <em class="comment">// STATIC methods</em>
<a name="515" href="#515">515</a> 
<a name="516" href="#516">516</a>     <em>/**<em>*</em></em>
<a name="517" href="#517">517</a> <em>     * @param methodName a getter or setter style method name (e.g. getThing, setStuff, isType)</em>
<a name="518" href="#518">518</a> <em>     * @return the fieldName equivalent (thing, stuff, type)</em>
<a name="519" href="#519">519</a> <em>     */</em>
<a name="520" href="#520">520</a>     <strong>public</strong> <strong>static</strong> String makeFieldNameFromMethod(String methodName) {
<a name="521" href="#521">521</a>         <strong>return</strong> ClassFields.makeFieldNameFromMethod(methodName);
<a name="522" href="#522">522</a>     }
<a name="523" href="#523">523</a> 
<a name="524" href="#524">524</a>     <em>/**<em>*</em></em>
<a name="525" href="#525">525</a> <em>     * Capitalize a string</em>
<a name="526" href="#526">526</a> <em>     * @param input any string</em>
<a name="527" href="#527">527</a> <em>     * @return the string capitalized (e.g. myString -> MyString)</em>
<a name="528" href="#528">528</a> <em>     */</em>
<a name="529" href="#529">529</a>     <strong>public</strong> <strong>static</strong> String capitalize(String input) {
<a name="530" href="#530">530</a>         <strong>return</strong> ClassFields.capitalize(input);
<a name="531" href="#531">531</a>     }
<a name="532" href="#532">532</a> 
<a name="533" href="#533">533</a>     <em>/**<em>*</em></em>
<a name="534" href="#534">534</a> <em>     * undo string capitalization</em>
<a name="535" href="#535">535</a> <em>     * @param input any string</em>
<a name="536" href="#536">536</a> <em>     * @return the string uncapitalized (e.g. MyString -> myString)</em>
<a name="537" href="#537">537</a> <em>     */</em>
<a name="538" href="#538">538</a>     <strong>public</strong> <strong>static</strong> String unCapitalize(String input) {
<a name="539" href="#539">539</a>         <strong>return</strong> ClassFields.unCapitalize(input);
<a name="540" href="#540">540</a>     }
<a name="541" href="#541">541</a> 
<a name="542" href="#542">542</a> 
<a name="543" href="#543">543</a>     <em>/**<em>*</em></em>
<a name="544" href="#544">544</a> <em>     * @return a list of all superclasses and implemented interfaces by the supplied class,</em>
<a name="545" href="#545">545</a> <em>     * recursively to the base, up to but excluding Object.class. These will be listed in order from</em>
<a name="546" href="#546">546</a> <em>     * the supplied class, all concrete superclasses in ascending order, and then finally all</em>
<a name="547" href="#547">547</a> <em>     * interfaces in recursive ascending order.&lt;br/></em>
<a name="548" href="#548">548</a> <em>     * This will include duplicates if any superclasses implement the same classes </em>
<a name="549" href="#549">549</a> <em>     */</em>
<a name="550" href="#550">550</a>     <strong>public</strong> <strong>static</strong> List&lt;Class&lt;?>> getSuperclasses(Class&lt;?> clazz) {
<a name="551" href="#551">551</a>         <strong>return</strong> ClassLoaderUtils.getSuperclasses(clazz);
<a name="552" href="#552">552</a>     }
<a name="553" href="#553">553</a> 
<a name="554" href="#554">554</a> 
<a name="555" href="#555">555</a>     <em>/**<em>*</em></em>
<a name="556" href="#556">556</a> <em>     * Finds a class type that is in the containing collection,</em>
<a name="557" href="#557">557</a> <em>     * will always return something (failsafe to Object.class)</em>
<a name="558" href="#558">558</a> <em>     * @param collection</em>
<a name="559" href="#559">559</a> <em>     * @return the class type contained in this collecion</em>
<a name="560" href="#560">560</a> <em>     */</em>
<a name="561" href="#561">561</a>     @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="562" href="#562">562</a>     <strong>public</strong> <strong>static</strong> Class&lt;?> getClassFromCollection(Collection collection) {
<a name="563" href="#563">563</a>         <strong>return</strong> ClassLoaderUtils.getClassFromCollection(collection);
<a name="564" href="#564">564</a>     }
<a name="565" href="#565">565</a> 
<a name="566" href="#566">566</a>     <em>/**<em>*</em></em>
<a name="567" href="#567">567</a> <em>     * Checks to see if an array contains a value,</em>
<a name="568" href="#568">568</a> <em>     * will return false if a null value is supplied</em>
<a name="569" href="#569">569</a> <em>     * </em>
<a name="570" href="#570">570</a> <em>     * @param &lt;T></em>
<a name="571" href="#571">571</a> <em>     * @param array any array of objects</em>
<a name="572" href="#572">572</a> <em>     * @param value the value to check for</em>
<a name="573" href="#573">573</a> <em>     * @return true if the value is found, false otherwise</em>
<a name="574" href="#574">574</a> <em>     */</em>
<a name="575" href="#575">575</a>     <strong>public</strong> <strong>static</strong> &lt;T> <strong>boolean</strong> contains(T[] array, T value) {
<a name="576" href="#576">576</a>         <strong>return</strong> ArrayUtils.contains(array, value);
<a name="577" href="#577">577</a>     }
<a name="578" href="#578">578</a> 
<a name="579" href="#579">579</a>     <em>/**<em>*</em></em>
<a name="580" href="#580">580</a> <em>     * Append an item to the end of an array and return the new array</em>
<a name="581" href="#581">581</a> <em>     * </em>
<a name="582" href="#582">582</a> <em>     * @param array an array of items</em>
<a name="583" href="#583">583</a> <em>     * @param value the item to append to the end of the new array</em>
<a name="584" href="#584">584</a> <em>     * @return a new array with value in the last spot</em>
<a name="585" href="#585">585</a> <em>     */</em>
<a name="586" href="#586">586</a>     <strong>public</strong> <strong>static</strong> &lt;T> T[] appendArray(T[] array, T value) {
<a name="587" href="#587">587</a>         <strong>return</strong> ArrayUtils.appendArray(array, value);
<a name="588" href="#588">588</a>     }
<a name="589" href="#589">589</a> 
<a name="590" href="#590">590</a>     <em>/**<em>*</em></em>
<a name="591" href="#591">591</a> <em>     * Take an array of anything and turn it into a string</em>
<a name="592" href="#592">592</a> <em>     * </em>
<a name="593" href="#593">593</a> <em>     * @param array any array</em>
<a name="594" href="#594">594</a> <em>     * @return a string representing that array</em>
<a name="595" href="#595">595</a> <em>     */</em>
<a name="596" href="#596">596</a>     <strong>public</strong> <strong>static</strong> String arrayToString(Object[] array) {
<a name="597" href="#597">597</a>         <strong>return</strong> ArrayUtils.arrayToString(array);
<a name="598" href="#598">598</a>     }
<a name="599" href="#599">599</a> 
<a name="600" href="#600">600</a>     <em>/**<em>*</em></em>
<a name="601" href="#601">601</a> <em>     * @param text string to make MD5 hash from</em>
<a name="602" href="#602">602</a> <em>     * @param maxLength</em>
<a name="603" href="#603">603</a> <em>     * @return an MD5 hash no longer than maxLength</em>
<a name="604" href="#604">604</a> <em>     */</em>
<a name="605" href="#605">605</a>     <strong>public</strong> <strong>static</strong> String makeMD5(String text, <strong>int</strong> maxLength) {
<a name="606" href="#606">606</a>         MessageDigest md;
<a name="607" href="#607">607</a>         <strong>try</strong> {
<a name="608" href="#608">608</a>             md = MessageDigest.getInstance(<span class="string">"MD5"</span>);
<a name="609" href="#609">609</a>         } <strong>catch</strong> (NoSuchAlgorithmException e) {
<a name="610" href="#610">610</a>             <strong>throw</strong> <strong>new</strong> RuntimeException(<span class="string">"Stupid java sucks for MD5"</span>, e);
<a name="611" href="#611">611</a>         }
<a name="612" href="#612">612</a>         md.update(text.getBytes());
<a name="613" href="#613">613</a> 
<a name="614" href="#614">614</a>         <em class="comment">// convert the binary md5 hash into hex</em>
<a name="615" href="#615">615</a>         StringBuilder sb = <strong>new</strong> StringBuilder();
<a name="616" href="#616">616</a>         byte[] b_arr = md.digest();
<a name="617" href="#617">617</a> 
<a name="618" href="#618">618</a>         <strong>for</strong> (<strong>int</strong> i = 0; i &lt; b_arr.length; i++) {
<a name="619" href="#619">619</a>             <em class="comment">// convert the high nibble</em>
<a name="620" href="#620">620</a>             byte b = b_arr[i];
<a name="621" href="#621">621</a>             b >>>= 4;
<a name="622" href="#622">622</a>             b &amp;= 0x0f; <em class="comment">// this clears the top half of the byte (intentional)</em>
<a name="623" href="#623">623</a>             sb.append( Integer.toHexString(b) );
<a name="624" href="#624">624</a> 
<a name="625" href="#625">625</a>             <em class="comment">// convert the low nibble</em>
<a name="626" href="#626">626</a>             b = b_arr[i];
<a name="627" href="#627">627</a>             b &amp;= 0x0F;
<a name="628" href="#628">628</a>             sb.append( Integer.toHexString(b) );
<a name="629" href="#629">629</a>         }
<a name="630" href="#630">630</a>         String md5 = sb.toString();
<a name="631" href="#631">631</a>         <strong>if</strong> (maxLength > 0 &amp;&amp; md5.length() > maxLength) {
<a name="632" href="#632">632</a>             md5 = md5.substring(0, maxLength);
<a name="633" href="#633">633</a>         }
<a name="634" href="#634">634</a>         <strong>return</strong> md5;
<a name="635" href="#635">635</a>     }
<a name="636" href="#636">636</a> 
<a name="637" href="#637">637</a>     <em>/**<em>*</em></em>
<a name="638" href="#638">638</a> <em>     * Finds a map value for a key (or set of keys) if it exists in the map and returns the string value of it</em>
<a name="639" href="#639">639</a> <em>     * @param map any map with strings as keys</em>
<a name="640" href="#640">640</a> <em>     * @param keys an array of keys to try to find in order</em>
<a name="641" href="#641">641</a> <em>     * @return the string value OR null if it could not be found for any of the given keys</em>
<a name="642" href="#642">642</a> <em>     */</em>
<a name="643" href="#643">643</a>     <strong>public</strong> <strong>static</strong> String findMapStringValue(Map&lt;String, ?> map, String[] keys) {
<a name="644" href="#644">644</a>         <strong>if</strong> (map == <strong>null</strong> || keys == <strong>null</strong>) {
<a name="645" href="#645">645</a>             <strong>return</strong> <strong>null</strong>;
<a name="646" href="#646">646</a>         }
<a name="647" href="#647">647</a>         String value = <strong>null</strong>;
<a name="648" href="#648">648</a>         <strong>try</strong> {
<a name="649" href="#649">649</a>             <strong>for</strong> (<strong>int</strong> i = 0; i &lt; keys.length; i++) {
<a name="650" href="#650">650</a>                 String key = keys[i];
<a name="651" href="#651">651</a>                 <strong>if</strong> (map.containsKey(key)) {
<a name="652" href="#652">652</a>                     Object oVal = map.get(key);
<a name="653" href="#653">653</a>                     <strong>if</strong> (oVal != <strong>null</strong>) {
<a name="654" href="#654">654</a>                         value = oVal.toString();
<a name="655" href="#655">655</a>                         <strong>break</strong>;
<a name="656" href="#656">656</a>                     }
<a name="657" href="#657">657</a>                 }
<a name="658" href="#658">658</a>             }
<a name="659" href="#659">659</a>         } <strong>catch</strong> (RuntimeException e) {
<a name="660" href="#660">660</a>             <em class="comment">// in case the given map is not actually of the right types at runtime</em>
<a name="661" href="#661">661</a>             value = <strong>null</strong>;
<a name="662" href="#662">662</a>         }
<a name="663" href="#663">663</a>         <strong>return</strong> value;
<a name="664" href="#664">664</a>     }
<a name="665" href="#665">665</a> 
<a name="666" href="#666">666</a> 
<a name="667" href="#667">667</a>     <em>/**<em>*</em></em>
<a name="668" href="#668">668</a> <em>     * This is necessary because of the stupid capitalization rules used by Sun</em>
<a name="669" href="#669">669</a> <em>     * @param name a property descriptor name to compare to a fieldname</em>
<a name="670" href="#670">670</a> <em>     * @param fieldName a fieldName</em>
<a name="671" href="#671">671</a> <em>     * @return true if they are almost the same or actually the same</em>
<a name="672" href="#672">672</a> <em>     */</em>
<a name="673" href="#673">673</a>     <strong>public</strong> <strong>static</strong> <strong>boolean</strong> pdNameCompare(String name, String fieldName) {
<a name="674" href="#674">674</a>         <em class="comment">// AZ try tweaking the name slightly (uncap the first char) and try again, this fixes the sThing to SThing issue</em>
<a name="675" href="#675">675</a>         <strong>boolean</strong> match = false;
<a name="676" href="#676">676</a>         <strong>if</strong> (name == <strong>null</strong> || fieldName == <strong>null</strong>) {
<a name="677" href="#677">677</a>             match = false;
<a name="678" href="#678">678</a>         } <strong>else</strong> <strong>if</strong> (name.length() == 0 || fieldName.length() == 0) {
<a name="679" href="#679">679</a>             match = false;
<a name="680" href="#680">680</a>         } <strong>else</strong> <strong>if</strong> (name.equals(fieldName)) {
<a name="681" href="#681">681</a>             match = <strong>true</strong>;
<a name="682" href="#682">682</a>         } <strong>else</strong> <strong>if</strong> (ReflectUtils.unCapitalize(name).equals(fieldName)) {
<a name="683" href="#683">683</a>             match = <strong>true</strong>;
<a name="684" href="#684">684</a>         } <strong>else</strong> <strong>if</strong> (ReflectUtils.capitalize(name).equals(fieldName)) {
<a name="685" href="#685">685</a>             match = <strong>true</strong>;
<a name="686" href="#686">686</a>         }
<a name="687" href="#687">687</a>         <strong>return</strong> match;
<a name="688" href="#688">688</a>     }
<a name="689" href="#689">689</a> 
<a name="690" href="#690">690</a>     @Override
<a name="691" href="#691">691</a>     <strong>public</strong> String toString() {
<a name="692" href="#692">692</a>         <strong>return</strong> <span class="string">"Reflect::c="</span>+ReflectUtils.timesCreated+<span class="string">":s="</span>+singleton+<span class="string">":"</span> + getClassDataCacher() + <span class="string">":"</span> + getFieldUtils() + <span class="string">":"</span> + getConversionUtils();
<a name="693" href="#693">693</a>     }
<a name="694" href="#694">694</a> 
<a name="695" href="#695">695</a>     <em class="comment">// STATIC access</em>
<a name="696" href="#696">696</a> 
<a name="697" href="#697">697</a>     <strong>protected</strong> <strong>static</strong> SoftReference&lt;ReflectUtils> instanceStorage;
<a name="698" href="#698">698</a>     <em class="comment">//    protected static Map&lt;ClassLoader, ReflectUtil> utilByClassLoader = </em>
<a name="699" href="#699">699</a>     <em class="comment">//        new ReferenceMap&lt;ClassLoader, ReflectUtil>(ReferenceType.WEAK, ReferenceType.STRONG);</em>
<a name="700" href="#700">700</a>     <em>/**<em>*</em></em>
<a name="701" href="#701">701</a> <em>     * Get a singleton instance of this class to work with (stored statically) &lt;br/></em>
<a name="702" href="#702">702</a> <em>     * &lt;b>WARNING&lt;/b>: do not hold onto this object or cache it yourself, call this method again if you need it again</em>
<a name="703" href="#703">703</a> <em>     * @return a singleton instance of this class</em>
<a name="704" href="#704">704</a> <em>     */</em>
<a name="705" href="#705">705</a>     <strong>public</strong> <strong>static</strong> <a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a> getInstance() {
<a name="706" href="#706">706</a>         <a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a> instance = (instanceStorage == <strong>null</strong> ? <strong>null</strong> : instanceStorage.get());
<a name="707" href="#707">707</a>         <strong>if</strong> (instance == <strong>null</strong>) {
<a name="708" href="#708">708</a>             instance = ReflectUtils.setInstance(<strong>null</strong>);
<a name="709" href="#709">709</a>         }
<a name="710" href="#710">710</a>         <strong>return</strong> instance;
<a name="711" href="#711">711</a>     }
<a name="712" href="#712">712</a>     <em>/**<em>*</em></em>
<a name="713" href="#713">713</a> <em>     * Set the singleton instance of the class which will be stored statically</em>
<a name="714" href="#714">714</a> <em>     * @param instance the instance to use as the singleton instance</em>
<a name="715" href="#715">715</a> <em>     */</em>
<a name="716" href="#716">716</a>     <strong>public</strong> <strong>static</strong> <a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a> setInstance(<a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a> newInstance) {
<a name="717" href="#717">717</a>         <a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a> instance = newInstance;
<a name="718" href="#718">718</a>         <strong>if</strong> (instance == <strong>null</strong>) {
<a name="719" href="#719">719</a>             instance = <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/ReflectUtils.html">ReflectUtils</a>();
<a name="720" href="#720">720</a>             instance.singleton = <strong>true</strong>;
<a name="721" href="#721">721</a>         }
<a name="722" href="#722">722</a>         ReflectUtils.timesCreated++;
<a name="723" href="#723">723</a>         instanceStorage = <strong>new</strong> SoftReference&lt;ReflectUtils>(instance);
<a name="724" href="#724">724</a>         <strong>return</strong> instance;
<a name="725" href="#725">725</a>     }
<a name="726" href="#726">726</a> 
<a name="727" href="#727">727</a>     <strong>private</strong> <strong>static</strong> <strong>int</strong> timesCreated = 0;
<a name="728" href="#728">728</a>     <strong>public</strong> <strong>static</strong> <strong>int</strong> getTimesCreated() {
<a name="729" href="#729">729</a>         <strong>return</strong> timesCreated;
<a name="730" href="#730">730</a>     }
<a name="731" href="#731">731</a> 
<a name="732" href="#732">732</a>     <strong>private</strong> <strong>boolean</strong> singleton = false;
<a name="733" href="#733">733</a>     <em>/**<em>*</em></em>
<a name="734" href="#734">734</a> <em>     * @return true if this is a singleton instance</em>
<a name="735" href="#735">735</a> <em>     */</em>
<a name="736" href="#736">736</a>     <strong>public</strong> <strong>boolean</strong> isSingleton() {
<a name="737" href="#737">737</a>         <strong>return</strong> singleton;
<a name="738" href="#738">738</a>     }
<a name="739" href="#739">739</a> 
<a name="740" href="#740">740</a>     <em class="comment">// utils getters</em>
<a name="741" href="#741">741</a> 
<a name="742" href="#742">742</a>     <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/FieldUtils.html">FieldUtils</a> getFieldUtils() {
<a name="743" href="#743">743</a>         <strong>return</strong> FieldUtils.getInstance();
<a name="744" href="#744">744</a>     }
<a name="745" href="#745">745</a> 
<a name="746" href="#746">746</a>     <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/ConstructorUtils.html">ConstructorUtils</a> getConstructorUtils() {
<a name="747" href="#747">747</a>         <strong>return</strong> ConstructorUtils.getInstance();
<a name="748" href="#748">748</a>     }
<a name="749" href="#749">749</a> 
<a name="750" href="#750">750</a>     <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/ClassDataCacher.html">ClassDataCacher</a> getClassDataCacher() {
<a name="751" href="#751">751</a>         <strong>return</strong> ClassDataCacher.getInstance();
<a name="752" href="#752">752</a>     }
<a name="753" href="#753">753</a> 
<a name="754" href="#754">754</a>     <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a> getConversionUtils() {
<a name="755" href="#755">755</a>         <strong>return</strong> ConversionUtils.getInstance();
<a name="756" href="#756">756</a>     }
<a name="757" href="#757">757</a> 
<a name="758" href="#758">758</a>     <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/DeepUtils.html">DeepUtils</a> getDeepUtils() {
<a name="759" href="#759">759</a>         <strong>return</strong> DeepUtils.getInstance();
<a name="760" href="#760">760</a>     }
<a name="761" href="#761">761</a> 
<a name="762" href="#762">762</a> }
</pre>
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